Home / 56,540.64-84,813.36-19,101.60

Finding the Fourth Proportional to 56,540.64, 84,813.36 and 19,101.60

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Solution

The fourth proportional to 56,540.64, 84,813.36 and 19,101.60 is: 28,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,540.64 : 84,813.36 = 19,101.60 : x
  2. Step 2: Convert to fraction form
    56,540.64/84,813.36 = 19,101.60/x
  3. Step 3: Cross multiply
    56,540.64x = 84,813.36 × 19,101.60
  4. Step 4: Simplify right side
    56,540.64x = 1,620,070,877.38
  5. Step 5: Solve for x
    x = 1,620,070,877.38/56,540.64
  6. Step 6: Final answer
    x = 28,653.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.